condition	mean	min	max
4 h after light	3.598515	1.85204	5.34499
8 h after light	5.694240000000001	5.33952	6.04896
12 h after light	16.3134	16.0346	16.5922
4 h after dark	13.22255	12.3567	14.0884
8 h after dark	6.58711	6.0305	7.14372
12 h after dark	3.835025	3.40292	4.26713